When star connection of motor is use?
Answer / nagarajan
Normally using All low torque application such as pump ,compressor and airlock valves etc.
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How shall i design a liquid rotor starter
1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?
how to select cable size?
Why is the diffrential protection in DG. What if the CT polarity is reversed while connecting for the same type of protection? How polarity can be made ok?
How much DC or AC Current that a Human Body withstand for Electrical Shocks?
why 30 ma elcb is used ?why cant 100 ma?
A 11000/415V distribution transformer is fed 415V upon it's LT side,Do I get 11000V upon it's Primary side ?
I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.
what is d check in dg 1500kva
What is the distance between the EHV lines and also the distance for earth ??